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Butterfly Valves - MGH YAPI
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Butterfly Valves & Solutions

Versatile and lightweight Butterfly Valves ideal for isolating or regulating flow. Available in concentric, double eccentric, and triple offset designs for diverse pressure requirements.

Butterfly Valve

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Sector / Application Typical Valve Types Standards & Certifications
General Industrial & HVAC Cooling water, air handling, low-pressure systems Wafer/Lug Style, Concentric Design, Rubber/Elastomer Seated (EPDM, NBR), Manual/Gear/Actuated.
  • Design: API 609 (Category A), ISO 10631, EN 593
  • Testing: API 598, ISO 5208
  • Face-to-Face: ISO 5752, EN 558-1
  • Flanges: ASME B16.5, EN 1092-1
Water & Wastewater Treatment Potable water, pumping stations, irrigation Resilient Seated (Rubber Lined), Wafer or Lug Type, Large Diameter (DN300+), Eccentric Design.
  • Design: ISO 10631, EN 593
  • Approvals: WRAS (UK), ACS (France), KIWA (NL), DVGW/KTW/W270 (EU), NSF/61 (USA)
  • Testing: ISO 5208
Oil & Gas Refining, storage, fuel handling (Mid/Downstream) Double/Triple Offset (High-Performance), Metal Seated, Fire-Safe Design, Lug/Wafer with Gear or Actuator.
  • Design: API 609 (Category B), ISO 17292
  • Fire-Safe: API 607 / ISO 10497, API 6FA
  • Testing: API 598
  • Flanges: ASME B16.5, ASME B16.47
Chemical & Petrochemical Corrosive services, slurry applications Triple Offset (TOV), Fully Lined (PTFE, PFA), High-Performance Metal Seated, Special Alloy Bodies.
  • Design: API 609 (Category B)
  • Lining: ISO 16136 (PTFE lined)
  • Emissions: ISO 15848-1/-2, TA-Luft
  • Material: ASTM standards for alloys
Power Generation Cooling circuits, auxiliary systems, FGD Rubber Lined (Cooling Water), Triple Offset (High-Performance), Large Diameter, Lug/Wafer Type.
  • Design: API 609, ISO 10631
  • Testing: API 598, ISO 5208
  • Flanges: ASME B16.5, ASME B16.47
Marine & Offshore Seawater cooling, ballast, firefighting Rubber Lined (Seawater resistant), Ductile Iron/Bronze/SS316 Bodies, Lug Type (Dead-End Service), Manual or Hydraulic.
  • Design: ISO 10631, API 609
  • Approvals: ABS, DNV, LR, BV (Class Society Rules)
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